Ohio voters were asked to vote twice at the polls on Super Tuesday, which caused a bit of confusion for some.

The New York Times described Ohio's primary as a "loophole" primary, in which voters cast one ballot for president in the popular vote, and a second ballot for delegates that are assigned to a candidate.

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Most of the delegates are chosen at the congressional district level. But some candidates, like Rick Santorum, may not get delegates in certain districts even if they win the popular vote there, because they failed to make the ballot.

Even though these delegates will have their names officially associated with one of the candidates on the ballot, they are not legally bound to them and are free to change their minds.

So when voters voted twice in the presidential race, they voted once for their favorite candidate for president -- which counts toward the popular vote -- and once for the slate of delegates they want to send to the convention. Those delegates are split up by the person they say they support, but they are not obligated to vote for that person at the convention.

In addition, Ohio has three super delegates who are picked by the party, not the voters, and who are not bound by the primary results at all.

Of Ohio's 66 delegates, only 63 are chosen by the voters. The remaining three are chosen by the party.